fix config layer not proxied

src/registry/manifest.rs

@@ -145,6 +145,7 @@ impl OCIManifest {
                 // We could recurse into the manifests, but they should have been checked already.
                 list.manifests()
                     .iter()
+                    .filter(|l| layer_is_distributable(l.media_type()))
                     .map(|x| x.digest().to_string())
                     .collect()
             }

src/registry/proxy/proxy_config.rs

@@ -336,21 +336,21 @@ async fn download_manifest_and_layers(
     .await?;
 
     match &manifest {
-        OCIManifest::List(m) => {
-            let images_to_dl = m
-                .manifests()
+        OCIManifest::List(_) => {
+            let images_to_dl = manifest
+                .get_local_asset_digests()
                 .iter()
-                .map(|m| ref_.clone_with_digest(m.digest().as_ref().to_string()))
+                .map(|digest| ref_.clone_with_digest(digest.to_string()))
                 .collect::<Vec<_>>();
             let futures = images_to_dl.iter().map(|img| {
                 download_manifest_and_layers(cl, auth, db.clone(), storage, img, local_repo_name)
             });
             try_join_all(futures).await?;
         }
-        OCIManifest::V2(m) => {
-            let layer_digests = m.layers().iter().map(|layer| layer.digest().as_ref());
+        OCIManifest::V2(_) => {
+            let layer_digests = manifest.get_local_asset_digests();
             let futures = layer_digests
-                .clone()
+                .iter()
                 .map(|l| download_blob(cl, db.clone(), storage, ref_, l, local_repo_name));
             try_join_all(futures).await?;
         }

src/registry/storage.rs

@@ -256,10 +256,6 @@ impl TrowStorageBackend {
     }
 }
 
-// fn is_proxy_repo(repo_name: &str) -> bool {
-//     repo_name.starts_with(PROXY_DIR)
-// }
-
 #[cfg(test)]
 mod tests {